taurus | 7dbd7913c8da967e42d276dca90aaff3725ea664f72e7a2de68750b430a3cc46

General

Target

eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe
Size

201KB
MD5

eb4c72c5d82142335c230eb4991c57e5
SHA1

07e29920a6c3ef51c21caa21cabf0d1dba95183c
SHA256

7dbd7913c8da967e42d276dca90aaff3725ea664f72e7a2de68750b430a3cc46
SHA512

17f38a0cc9836cb08b2c022af0bd28f6b4c5084afcd5bf46ceccc741f462854998421a9406b4d2cee4550ba2dd23baf41de2eb08b6705d74069de9b7ed35292b
SSDEEP

3072:OXhZRLDHMyddxDa1iR9KW2Z6UuH/Mh07p8v3CjiSsDzvi5/vN+bofLwnrOCe1kRL:OXVU1iRsW/lmfCjE6t+bojwnHeO

Score

10^/10

taurus credential_access discovery spyware stealer trojan

Malware Config

Signatures

Taurus Stealer
Taurus is an infostealer first seen in June 2020.
trojan stealer taurus

Taurus Stealer payload 7 IoCs

resource	yara_rule
behavioral1/memory/2208-2-0x00000000001B0000-0x00000000001E5000-memory.dmp	family_taurus_stealer
behavioral1/memory/2208-3-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2208-5-0x0000000000400000-0x0000000000F8F000-memory.dmp	family_taurus_stealer
behavioral1/memory/2208-6-0x00000000001B0000-0x00000000001E5000-memory.dmp	family_taurus_stealer
behavioral1/memory/2208-7-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2208-11-0x0000000000400000-0x0000000000437000-memory.dmp	family_taurus_stealer
behavioral1/memory/2208-10-0x0000000000400000-0x0000000000F8F000-memory.dmp	family_taurus_stealer

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Deletes itself 1 IoCs

pid	Process
2972	cmd.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1208	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2972	2208	eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe	34
PID 2208 wrote to memory of 2972	2208	eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe	34
PID 2208 wrote to memory of 2972	2208	eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe	34
PID 2208 wrote to memory of 2972	2208	eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe	34
PID 2972 wrote to memory of 1208	2972	cmd.exe	36
PID 2972 wrote to memory of 1208	2972	cmd.exe	36
PID 2972 wrote to memory of 1208	2972	cmd.exe	36
PID 2972 wrote to memory of 1208	2972	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\cmd.exe
  /c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\eb4c72c5d82142335c230eb4991c57e5_JaffaCakes118.exe
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2972
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 3
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:1208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

2

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Browser Information Discovery

Query Registry

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2208-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2208-2-0x00000000001B0000-0x00000000001E5000-memory.dmp

Filesize
212KB

Download
memory/2208-3-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2208-4-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2208-5-0x0000000000400000-0x0000000000F8F000-memory.dmp

Filesize
11.6MB

Download
memory/2208-6-0x00000000001B0000-0x00000000001E5000-memory.dmp

Filesize
212KB

Download
memory/2208-7-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2208-11-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/2208-10-0x0000000000400000-0x0000000000F8F000-memory.dmp

Filesize
11.6MB

Download

Analysis

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